Gas sampling pipette, ml 100, two stopcocks m.glass capillary connections

Gas sampling pipette, ml 250, two stopcocks m.glass capillary connections

Gas sampling pipette, ml 500, two stopcocks m.glass capillary connections

Gas sampling pipette, ml 1000, two stopcocks m.glass capillary connections

Gas sampling pipette, ml 2000, two stopcocks m.glass capillary connections